(19)
(11) EP 2 462 673 A1

(12)

(43) Date of publication:
13.06.2012 Bulletin 2012/24

(21) Application number: 09781587.2

(22) Date of filing: 06.08.2009
(51) International Patent Classification (IPC): 
H02J 3/24(2006.01)
(86) International application number:
PCT/EP2009/060245
(87) International publication number:
WO 2011/015247 (10.02.2011 Gazette 2011/06)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

(71) Applicant: ABB Research Ltd.
8050 Zürich (CH)

(72) Inventors:
  • BERGGREN, Bertil
    S-724 76 Västerås (SE)
  • MAJUMDER, Rajat
    S-723 44 Västerås (SE)
  • RAY, Swakshar
    S-723 44 Västerås (SE)
  • CHAUDHURI, Balarko
    London W12OTR (GB)
  • RAY CHAUDHURI, Nilanjan
    London SW10 9QW (GB)

(74) Representative: Savela, Reino Aleksi 
ABB AB Intellectual Property Ingenjör Bååths Gata 11
721 83 Västerås
721 83 Västerås (SE)

   


(54) POWER OR VOLTAGE OSCILLATION DAMPING IN A POWER TRANSMISSION SYSTEM